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Volume 23 (2) - 2000

CIOACA A. & DINU M.

The impact of exploiting natural subsoil resources on the Subcarpathian relief (Romania)

Pages 131-137

Abstract

This hilly unit, which makes the transition from the mountain to the platform regions of Romania, is particularly well-individualised between the Moldova and the Motru valleys. The Subcarpathian region, formed at the external margin of the Carpathian geosyncline, is the youngest mountain unit in Romania. This ┬źnew Carpathian wave┬╗ represents one more trait that distinguishes the Carpathians from the other sectors of the Alpine – Himalayan system. The string of hills and depressions, standing more or less parallel to the mountains, but situated at their periphery, has a distinct morphostructure that shapes out three big units: The Moldavian Subcarpathians, the Bend Subcarpathians and the Getic Subcarpathians. The varied rates of present-day weathering, with significant local and annual differences, call for detailed studies whenever man intends to act upon the landscape. The extraction of raw materials in the Subcarpathians had a negative impact on natural modelling, leading gradually either to a new, man-made landscape, or to some complementary geomorphological processes. The hilly zones where lignite is mined are fragile ecosystems, very vulnerable to environmental changes. Human activity-induced relief degradation has far-reaching and long-term effects on the other components of the environment: water, air, vegetation, soils and settlements.

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